1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 5326435a7571..43b7d72c6116 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -216,6 +216,7 @@ struct mtd_info {
         /* Chip-supported device locking */
         int (*lock) (struct mtd_info *mtd, loff_t ofs, uint64_t len);
         int (*unlock) (struct mtd_info *mtd, loff_t ofs, uint64_t len);
+        int (*is_locked) (struct mtd_info *mtd, loff_t ofs, uint64_t len);
 
         /* Power Management functions */
         int (*suspend) (struct mtd_info *mtd);